After the discovery of the fact that one of the two horn of the Leslie cab was in fact only used as a counterweight, it seemed obvious that it was necessary to revisit this mythical enclosure by bringing him this second horn that he missed so much.
This new form of rotating speaker allows to play not only with the Doppler effect as the first one did and thus to create a vibrato through movement, but also to mix in space two sound sources which are always projected in opposite ways.
